exam Maths Puzzle Numerical Ability

Do the inequalities have varibles?

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exam Other Question

Divide.


2x-6/21 divided by 5x-15/12


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Please help me solve this problem: A boat goes downstream a distance of 5 miles in 15 minutes, but it takes 20 minutes for the return trip. Find the right of the boat in still water and the rate of the current.